package com.zxp.springcloud.alibaba.dao;

import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;
/**
 * @author zxp
 */
@Mapper
public interface StorageDao {

    //扣减库存
    /**
     * @Description
     * @Author zxp
     * @Param       
     * @return      
     */
    void decrease(@Param("productId") Long productId, @Param("count") Integer count);
}
